1-(tert-Butyl)-3-ethynylbenzene CAS 135883-34-0

Purity 97%+In StockPharmaceutical Standards
CAS No.135883-34-0
Molecular FormulaC12H14
Molecular Weight158.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(tert-Butyl)-3-ethynylbenzene CAS 135883-34-0 chemical structure

Description

Owing to an aromatic ring system, 1-(tert-Butyl)-3-ethynylbenzene is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 158.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

1-(tert-Butyl)-3-ethynylbenzene (CAS 135883-34-0) is a high-purity analytical reference standard with the molecular formula C12H14 and a molecular weight of 158.24 g/mol.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 1-(tert-Butyl)-3-ethynylbenzene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC12H14
Molecular Weight158.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995

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